AU5536498A - Dual earplug - Google Patents

Dual earplug

Info

Publication number
AU5536498A
AU5536498A AU55364/98A AU5536498A AU5536498A AU 5536498 A AU5536498 A AU 5536498A AU 55364/98 A AU55364/98 A AU 55364/98A AU 5536498 A AU5536498 A AU 5536498A AU 5536498 A AU5536498 A AU 5536498A
Authority
AU
Australia
Prior art keywords
earplug
dual
dual earplug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU55364/98A
Other versions
AU738548B2 (en
Inventor
Howard S. Leight
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOWARD S LEIGHT AND ASSOCIATES Inc
Original Assignee
Howard S Leight And Associates Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Howard S Leight And Associates Inc filed Critical Howard S Leight And Associates Inc
Publication of AU5536498A publication Critical patent/AU5536498A/en
Application granted granted Critical
Publication of AU738548B2 publication Critical patent/AU738548B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Headphones And Earphones (AREA)
AU55364/98A 1997-04-21 1998-02-18 Dual earplug Ceased AU738548B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4373397P 1997-04-21 1997-04-21
US60/043733 1997-04-21

Publications (2)

Publication Number Publication Date
AU5536498A true AU5536498A (en) 1998-10-22
AU738548B2 AU738548B2 (en) 2001-09-20

Family

ID=21928618

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55364/98A Ceased AU738548B2 (en) 1997-04-21 1998-02-18 Dual earplug

Country Status (4)

Country Link
US (1) US5811742A (en)
EP (1) EP0885602B1 (en)
AU (1) AU738548B2 (en)
DE (1) DE69814986T2 (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6345684B1 (en) * 1997-04-21 2002-02-12 Bacou Usa Safety, Inc. Checkable earplug
US6105715A (en) * 1999-11-05 2000-08-22 Aearo Company Multi-color variably attenuating earplug
US6695093B1 (en) * 2000-01-13 2004-02-24 Aearo Company Earplug
US6408981B1 (en) * 2000-09-27 2002-06-25 Saint-Gobain Performance Plastics Corporation Extruded monolithic foam earplug
US6746444B2 (en) * 2000-12-18 2004-06-08 Douglas J. Key Method of amplifying a beneficial selective skin response to light energy
US6622816B2 (en) 2001-04-24 2003-09-23 Cabot Safety Intermediate Corp. Personal protective devices having an energy activated material
US6659103B2 (en) 2001-08-10 2003-12-09 Bacou-Dalloz Usa Safety, Inc. Earplug with stiffener
US6568395B2 (en) 2001-08-10 2003-05-27 Bacou-Balloz Usa Safety, Inc. Multiple earplug arrangement
US20030029460A1 (en) * 2001-08-10 2003-02-13 Jim Tiemens Extruded earplug
US7096872B2 (en) * 2002-09-27 2006-08-29 Ligon Sr James T Ear plugs and method of forming same
US7475686B2 (en) * 2004-10-15 2009-01-13 Cabot Safety Intermediate Corporation Earplug
US20060203048A1 (en) * 2005-03-14 2006-09-14 Scheffelin Joseph E Plug
US20060202375A1 (en) * 2005-03-14 2006-09-14 Jenkins John A Jr Extruded and shaped earplug
US7984716B2 (en) * 2007-06-22 2011-07-26 Kimberly-Clark Worldwide Inc. Self-conforming sound attenuation earplug
US8113207B2 (en) * 2008-08-22 2012-02-14 Kimberly-Clark Worldwide, Inc. Self-conforming sound attenuation earplug
US9737439B2 (en) 2012-07-12 2017-08-22 3M Innovative Properties Company Push-in earplug
US8679607B2 (en) 2012-07-12 2014-03-25 3M Innovative Properties Company Foamable article
US8968613B2 (en) 2012-07-12 2015-03-03 3M Innovative Properties Company Method of making an earplug
US9763832B2 (en) 2013-04-10 2017-09-19 Howard S. Leight Pull out earplug
EP3435938B1 (en) 2016-04-01 2021-09-29 3M Innovative Properties Company Hearing protection device and method of forming same
CN110087594B (en) 2016-12-21 2022-04-29 3M创新有限公司 Earplug with stem including sleeve
BR112020004180A2 (en) 2017-09-01 2020-09-08 3M Innovative Properties Company cold drawn polyolefin copolymer cord for ear protector
USD895901S1 (en) 2017-09-01 2020-09-08 3M Innovative Properties Company Hearing protector
CN111031975B (en) 2017-09-01 2022-04-12 3M创新有限公司 Push-in fit earplug with tip cavity

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538339A (en) * 1949-09-15 1951-01-16 Mary J Thomas Earplug
US3618600A (en) * 1969-04-01 1971-11-09 Harry E Douglass Ear stopple
US3736929A (en) * 1970-07-09 1973-06-05 A Mills Self-shaping earplugs
US4143657A (en) * 1977-05-19 1979-03-13 Hidetaka Takeda Earplug
SE418682B (en) * 1979-10-03 1981-06-22 Lambert Carl Curt Asker HORSE PROTECTOR AND PROCEDURAL KIT FOR PRODUCING SUGAR
US4579112A (en) * 1984-05-17 1986-04-01 Scott Robert T Foam earplug
DE3929060A1 (en) * 1989-09-01 1991-03-07 Bobertag Gmbh HEALTH PROTECTION PLUG
US5044463A (en) * 1989-11-30 1991-09-03 Cabot Corporation Molded foam earplug and method for making same
US5631965A (en) * 1992-06-19 1997-05-20 Chang; Joseph S. Hearing protector
FR2701840A1 (en) * 1993-02-25 1994-09-02 Jost Didier Device for closing the auditory canal.
US5483027A (en) * 1994-08-24 1996-01-09 Krause; Ward B. Earplug with form-fitting fluid chambers
US5573015A (en) * 1995-03-28 1996-11-12 Williams; Colin D. Extruded ear plug

Also Published As

Publication number Publication date
DE69814986D1 (en) 2003-07-03
AU738548B2 (en) 2001-09-20
EP0885602A2 (en) 1998-12-23
DE69814986T2 (en) 2004-05-19
EP0885602A3 (en) 1999-04-07
EP0885602B1 (en) 2003-05-28
US5811742A (en) 1998-09-22

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)